git.giacomolli.uk - onechat/blob - agent_test.go

   1 package main
   2
   3 import (
   4         "encoding/json"
   5         "os"
   6         "path/filepath"
   7         "testing"
   8
   9         "github.com/stretchr/testify/require"
  10 )
  11
  12 func TestNewAgentKeepsItsIDAcrossOpens(t *testing.T) {
  13         dir := filepath.Join(t.TempDir(), "agent")
  14         agent, err := openAgent(dir)
  15         require.NoError(t, err)
  16         require.Len(t, agent.config.ID, 2*agentIDBytes)
  17         require.Equal(t, "gpt-6.1-sol", agent.config.Model)
  18         require.True(t, filepath.IsAbs(agent.config.Workdir))
  19
  20         again, err := openAgent(dir)
  21         require.NoError(t, err)
  22         require.Equal(t, agent.config, again.config)
  23
  24         info, err := os.Stat(dir)
  25         require.NoError(t, err)
  26         require.Equal(t, os.FileMode(0o700), info.Mode().Perm())
  27 }
  28
  29 func TestNewAgentsGetDifferentIDs(t *testing.T) {
  30         first, err := openAgent(t.TempDir())
  31         require.NoError(t, err)
  32
  33         second, err := openAgent(t.TempDir())
  34         require.NoError(t, err)
  35         require.Equal(t, first.config.Name, second.config.Name)
  36         require.NotEqual(t, first.CacheKey(), second.CacheKey())
  37 }
  38
  39 func TestRenamedAgentKeepsItsCacheKey(t *testing.T) {
  40         dir := t.TempDir()
  41         agent, err := openAgent(dir)
  42         require.NoError(t, err)
  43
  44         key := agent.CacheKey()
  45         require.Equal(t, "onechat-"+agent.config.ID, key)
  46
  47         config := agent.config
  48         config.Name = "Lena"
  49         agentWriteTestConfig(t, dir, config)
  50
  51         renamed, err := openAgent(dir)
  52         require.NoError(t, err)
  53         require.Equal(t, "Lena", renamed.config.Name)
  54         require.Equal(t, key, renamed.CacheKey())
  55 }
  56
  57 func TestAgentConfigErrors(t *testing.T) {
  58         testCases := []struct {
  59                 name   string
  60                 config string
  61                 err    string
  62         }{
  63                 {
  64                         name:   "unknown field",
  65                         config: `{"id": "00112233445566778899aabbccddeeff", "nmae": "Lena"}`,
  66                         err:    `unknown field "nmae"`,
  67                 },
  68                 {
  69                         name:   "missing id",
  70                         config: `{"name": "Lena"}`,
  71                         err:    "id must be 32 hexadecimal digits",
  72                 },
  73                 {
  74                         name:   "relative workdir",
  75                         config: `{"id": "00112233445566778899aabbccddeeff", "workdir": "src"}`,
  76                         err:    `workdir "src" is not an absolute path`,
  77                 },
  78                 {
  79                         name:   "name of two lines",
  80                         config: `{"id": "00112233445566778899aabbccddeeff", "name": "Le\nna"}`,
  81                         err:    "name must be one line of text",
  82                 },
  83         }
  84
  85         for _, tc := range testCases {
  86                 t.Run(tc.name, func(t *testing.T) {
  87                         dir := t.TempDir()
  88                         require.NoError(t, os.WriteFile(filepath.Join(dir, "config.json"), []byte(tc.config), 0o600))
  89
  90                         _, err := openAgent(dir)
  91                         require.ErrorContains(t, err, tc.err)
  92                 })
  93         }
  94 }
  95
  96 func TestAgentPromptReadsTheInstructionsEachTime(t *testing.T) {
  97         dir := t.TempDir()
  98         agent, err := openAgent(dir)
  99         require.NoError(t, err)
 100
 101         text, err := agent.Prompt()
 102         require.NoError(t, err)
 103         require.Equal(t, prompt(agent.config.Name, filepath.Join(dir, agentInstructionsFileName), ""), text)
 104
 105         require.NoError(t, os.WriteFile(filepath.Join(dir, agentInstructionsFileName), []byte("I am Lena.\n"), 0o600))
 106         text, err = agent.Prompt()
 107         require.NoError(t, err)
 108         require.Equal(t, prompt(agent.config.Name, filepath.Join(dir, agentInstructionsFileName), "I am Lena."), text)
 109 }
 110
 111 func TestAgentPromptUsesAnAbsoluteInstructionsPath(t *testing.T) {
 112         dir := t.TempDir()
 113         workdir, err := os.Getwd()
 114         require.NoError(t, err)
 115
 116         relative, err := filepath.Rel(workdir, dir)
 117         require.NoError(t, err)
 118         require.False(t, filepath.IsAbs(relative))
 119
 120         agent, err := openAgent(relative)
 121         require.NoError(t, err)
 122
 123         text, err := agent.Prompt()
 124         require.NoError(t, err)
 125         require.Contains(t, text, "The user's instructions live in the file "+filepath.Join(dir, agentInstructionsFileName)+",")
 126 }
 127
 128 // agentWriteTestConfig writes config as the config.json of the agent in dir.
 129 func agentWriteTestConfig(t *testing.T, dir string, config AgentConfig) {
 130         t.Helper()
 131
 132         data, err := json.Marshal(config)
 133         require.NoError(t, err)
 134         require.NoError(t, os.WriteFile(filepath.Join(dir, "config.json"), data, 0o600))
 135 }